Newborn rhino calf

Ema Elsa, a nine-year-old Black Rhino, is nuzzled by her newborn calf in their enclosure at Chester Zoo in Chester, northern England October 5, 2012. The female calf which is less than 48 hours old will join an international breeding programme for the critically endangered species.

Ema Elsa, a nine-year-old Black Rhino, is nuzzled by her newborn calf in their enclosure at Chester Zoo in Chester, northern England October 5, 2012. The female calf which is less than 48 hours old will join an international breeding programme for the critically endangered species. (Reuters photo)

Ema Elsa, a nine-year-old Black Rhino, is nuzzled by her newborn calf in their enclosure at Chester Zoo in Chester, northern England October 5, 2012. The female calf which is less than 48 hours old will join an international breeding programme for the critically endangered species.Reuters photo